Selective Chelating Resin for Copper Removal and Recovery in Aqueous Acidic Solution Generated from Synthetic Copper-Citrate Complexes from Bioleaching of E-waste

Table 3

Percentage copper (II) ions adsorbed onto Na+-form and H+-form chelating resins and changed pH of the acidic solutions.

Chelating resin	Na+-form		H+-form
	Percent adsorption ()	Final pH	Percent adsorption ()	Final pH
Chelex 100	41.47	2.48	39.21	2.03
Dowex m4195	56.97	2.35	86.20	2.01
Lewatit TP260	52.91	2.43	46.84	2.02